package com.example.demo.lesson11;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

@Component
public class ContentBasedFilter implements Filter{

   private Logger logger = LoggerFactory.getLogger(this.getClass());

   public ContentBasedFilter() {
      super();
      logger.info("In ContentBasedFilter constructor method");
   }

   @PostConstruct
   private void postConstruct() {
      //将电影加载到缓存中
      logger.info("In ContentBasedFilter postConstruct method");
   }

   @PreDestroy
   private void preDestroy() {
      //从缓存中清除电影
      logger.info("In ContentBasedFilter preDestroy method");
   }

   //getRecommendations将一部电影作为输入，并返回类似电影的列表。
   public String[] getRecommendations(String movie) {

      //计算电影之间的相似度

      //返回电影推荐
      return new String[] {"Happy Feet", "Ice Age", "Shark Tale"};
   }
}
